厭世悲観者[enseihikansha] pessimist
慈悲[jihi] compassion (e.g. of Buddha)
慈悲心[jihishin] benevolence
嘆き悲しむ[nagekikanashimu] to grieve and moan
悲しい[kanashii] sad

悲しむ[kanashimu] to be sad
悲哀[hiai] sorrow
悲運[hiun] sad fate
悲歌慷慨[hikakougai] indignant lamentation over the evils of the times
悲観[hikan] pessimism

御願いします[onegaishimasu] please
お願い致します[onegaiitashimasu] please
哀願[aigan] supplication
依願[igan] in accordance with one's request
依願免官[iganmenkan] retirement at one's own request

願い[negai] desire
願い下げる[negaisageru] to withdraw a request
願い求める[negaimotomeru] to entreat
願い出[negaide] application
願い出る[negaideru] to apply for